Riemannian optimization using three different metrics for Hermitian PSD fixed-rank constraints
Published in Computational Optimization and Applications, 91(3):1135–1184, 2025
Compares embedded-geometry, Burer–Monteiro, and quotient-metric formulations of optimization over Hermitian PSD fixed-rank matrices, with Riemannian CG and L-BFGS solvers and applications to matrix completion, phase retrieval, and interferometry. arXiv:2204.07830
Recommended citation: S. Zheng, W. Huang, B. Vandereycken, X. Zhang. (2025). "Riemannian optimization using three different metrics for Hermitian PSD fixed-rank constraints." Computational Optimization and Applications, 91(3):1135–1184.
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